DIRECTIONS: In questions no. 96 to 100, you have a brief The equation cos2q = is only possible when 4xy

Question

PYQPulse · Accepted Answer

x = y

PYQPulse · Answer

Explanation: ´ 4 y 2 2 + - ( x y ) ( x y ) 2 - q = - = - 1 cos 1 ´ ´ 4 4 y y sin2q cannot be – ve Both sin2q and cos2q will be +ve when x = y 1 2 2 ´ 13

DIRECTIONS: In questions no. 96 to 100, you have a brief The equation cos2q = is only possible when 4xy

Answer: D. x = y

Explanation